/*
    @author:sa
    @date:2024/11/12 16:27
*/
public class Array02Demo02 {
    public static void main(String[] args) {
        int [][]arr=new int[3][2];
        int[][]arr1={{1,2},{3,4},{5,6,7}};
        int[][]arr3=new int[3][];
        arr3[0]=new int[3];
        arr3[1]=new int[2];
    }
}